Journal
BIOPHYSICAL JOURNAL
Volume 102, Issue 9, Pages 2121-2129Publisher
CELL PRESS
DOI: 10.1016/j.bpj.2012.03.069
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Funding
- Deutsche Forschungsgemeinschaft [Sonderforschungsbereich 803]
- Deutsche Telekom Stiftung
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We have studied the acyl-chain conformation in stalk phases of model membranes by x-ray diffraction from oriented samples. As an equilibrium lipid phase induced by dehydration, the stalk or rhombohedral phase exhibits lipidic passages (stalks) between adjacent bilayers, representing a presumed intermediate state in membrane fusion. From the detailed analysis of the acyl-chain correlation peak, we deduce the structural parameters of the acyl-chain fluid above, at, and below the transition from the lamellar to rhombohedral state, at the molecular level.
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